Rio de Janeiro to Windsor, NS: time difference

Windsor, NS is 1 h behind Rio de Janeiro. Live clocks for both, the working hours they share, and how each one sits against your own time.

−1 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Rio de Janeiro 05:21 5:21 AM Windsor, NS 04:21 4:21 AM
Rio de Janeiro 05:21 5:21 AM Windsor, NS 04:21 4:21 AM You –:–
🇧🇷 Rio de Janeiro

05:21 5:21 AM

Brasilia Standard Time · UTC-3

☀️ 05:06 · 🌙 18:09

🇨🇦 Windsor, NS

04:21 4:21 AM

Atlantic Standard Time · UTC-4

☀️ 07:02 · 🌙 17:00

⇄ Difference

−1 h

Windsor, NS is 1 h behind Rio de Janeiro.

When you, Rio de Janeiro and Windsor, NS are all at the desk

Pick the working hours below – the window every location shares appears once your time zone is known.

Working hours
🇧🇷 Rio de Janeiro
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇨🇦 Windsor, NS
23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇧🇷 Rio de Janeiro 🇨🇦 Windsor, NS
Local time 05:21 04:21
Local date Friday, November 6, 2026 Friday, November 6, 2026
Time zone Brasilia Standard Time Atlantic Standard Time
UTC offset UTC-3 UTC-4
Offset from Rio de Janeiro — −1 h
IANA zone America/Sao Paulo America/Halifax
Daylight saving Not observed On standard time → UTC-3, Mar 14, 03:00
Sunrise 05:06 07:02
Sunset 18:09 17:00
Daylight 13 h 3 min 9 h 57 min
People on this clock 6,211,223 217,188

Compare Rio de Janeiro with another city

More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.

Rio de Janeiro and Windsor, NS: common questions

What is the time difference between Rio de Janeiro and Windsor, NS?
Windsor is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
What time is it in Windsor, NS, at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Windsor it is 8:00 AM at that moment.
If it is 6:00 PM in Rio de Janeiro, what time is it in Windsor, NS?
At 6:00 PM in Rio de Janeiro, clocks in Windsor show 5:00 PM.
When is a good time to call Windsor, NS, from Rio de Janeiro?
Between 10:00 AM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 5:00 PM in Windsor – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Windsor, NS, compared with Rio de Janeiro?
The new day starts in Windsor later: until 1:00 AM in Rio de Janeiro, it is still the previous day there. From 11:00 PM in Windsor, Rio de Janeiro is already on the next day.
Does the time gap between Rio de Janeiro and Windsor, NS, change during the year?
Yes – daylight saving time is used in Windsor but not in Rio de Janeiro. From March 14, 2027, Windsor and Rio de Janeiro will have the same time.
Show times on the 12-hour clock, temperatures in °F and distances in miles?